gastrulation [,gæstru'leiʃən]
- gastrulation的基本解释
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[医] 原肠胚形成
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The outer layer of a blastula that gives rise to the ectoderm after gastrulation.
外胚层囊胚的外层,在原肠胚形成之后生后外胚层组织
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The rearrangement of the blastula into a three-dimensional organism with inner middle and outer layers occurs during gastrulation.
在原肠胚形成过程中,囊胚重新排列,形成包括内层,中层,外层的三围组织。
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Although overexpression of Hspa5 does not cause detectable defects, its knockdown by injecting Hspa5 morpholino antisense oligonucleotides results in slower epiboly during gastrulation and dorsalized phenotypes at 24 hpf, including smaller and curled tail and absence of caudal ventral fin. When Hspa5 expresison in embryos is knockdown, the expression of the dorsal markers gsc and ntl is enhanced while the expression of ventral markers is reduced.
尽管在胚胎中过量表达Hspa5对胚胎发育没有明显影响,但是利用反义吗啉环寡核苷酸抑制胚胎中Hspa5的表达会导致胚胎外包变得缓慢,24hpf出现尾部变细或卷曲、缺少腹鳍等背部化的表型,同时gsc和ntl等背部标记基因的表达增强,但eve1等腹部标记基因的表达减弱。
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GFP expression started during gastrulation in the axial hypoblast layer.
将pShh-EGFP 注射到斑马鱼1-细胞期内的受精卵中,定期在倒置荧光显微镜下观察GFP的表达。
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GFP expression started during gastrulation in the axial hypoblast layer. During segmentation, GFP was detected in the notochord but not in the foor plate.
GFP在原肠作用期就开始表达,主要发生在中轴下胚层中;在体节形成期,GFP在脊索细胞中表达,但未发现在神经底板细胞中表达。
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- 更多网络解释与gastrulation相关的网络解释 [注:此内容来源于网络,仅供参考]
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epibolic gastrulation:外包原肠形成
外包原肠胚 epibolic gastrula | 外包原肠形成 epibolic gastrulation | 外包内褶 epibolic invagination
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gastrulation:原肠胚形成
胚胎发育包括受精、卵裂(cleavage)、原肠胚形成(gastrulation)、神经胚形成(neurulation)、器官形成(organogenesis)等几个主要的发育阶段,许多动物还必须经过胚后发育阶段--变态(metamorphosis),才能发育为成体.
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gastrulation:原肠形成
这就是卵裂,卵裂(meridional cleavage),即彼此呈直角平行于卵的极轴(pol-ar axis)2.囊胚形成(blastulation)在卵裂形成一定数量的分裂球之后,例如3.原肠形成(gastrulation)在形成囊胚之后,胚体继续分化发育,
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gastrulation:原肠胚形成,肾变
原肠胚,肾囊 gastrula | 原肠胚形成,肾变 gastrulation | 粪尿失禁 gatism
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gastrulation:原肠胚形成作用
gastrula 原肠胚 | gastrulation 原肠胚形成作用 | Gaucher's disease 高却氏症
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